Home / 2,057.04-3,085.32-670.44

Finding the Fourth Proportional to 2,057.04, 3,085.32 and 670.44

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Solution

The fourth proportional to 2,057.04, 3,085.32 and 670.44 is: 1,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.04 : 3,085.32 = 670.44 : x
  2. Step 2: Convert to fraction form
    2,057.04/3,085.32 = 670.44/x
  3. Step 3: Cross multiply
    2,057.04x = 3,085.32 × 670.44
  4. Step 4: Simplify right side
    2,057.04x = 2,068,521.94
  5. Step 5: Solve for x
    x = 2,068,521.94/2,057.04
  6. Step 6: Final answer
    x = 1,005.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.